نتایج جستجو برای: lower eocene
تعداد نتایج: 695634 فیلتر نتایج به سال:
The ensign wasp genus Hyptia Illiger was previously known from 52 extant New World species and one fossil species from Lower Miocene to Upper Oligocene Mexican amber. Hyptia hennigi sp. nov., from Eocene Baltic amber, is the oldest known species and the first member of the genus from the Old World.
A new species of retroplumid crab, Loerenthopluma danielae, is described from the Egemkapel Clay Member (Tielt Formation; lower Eocene, Ypresian) at the Ampe sand and clay pit near Egem, northwest Belgium. It is characterized by prominent outer orbital spines, wide orbits and a narrow, spatulate rostrum.
middle-late eocene deep marine deposits (483 m.) of the islam-ghaleh section, south mashhad, rich in ichnofossils in shale and sandstone layers. these flysch type sediments are composed of sandstone, shale and marl in gray to green in color and are divided into five subunits. the lower boundary of these successions is gradual with red conglomerate and sandstone and their upper boundary is gradu...
The extinct Lithornithidae include several genera and species of flying palaeognathous birds of controversial affinities known from the Early Paleogene of North America and Europe. An almost complete, articulated skeleton from the Early Eocene marine deposits of the Fur Formation (Denmark) was recently assigned to Lithornis vulturinus Owen, 1840. This study provides a detailed redescription and...
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